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 Posté le: Mer 22 Juin 2022, 10:50 |
 
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It is absolutely necessary to have precise control over the temperature of the die casting surface in order to be able to produce components made of zinc alloy that are of a high quality. This manual will walk you through the process of controlling the temperature of the die casting mold and the amount of time spent filling the mold during the zinc alloy die casting procedure. In addition to that, the topics of die casting filling time will be discussed throughout this guide.
The Process of Keeping the [color= rgb(247, 150, 70)]custom die casting[/color] at the Desired TemperatureDuring the time that the process of zinc alloy die casting is being carried out in conjunction with the filling time, 1.
The q/v charging rate, Ag, and the filling time, T, are equal to one another.
Where t is the filling time in seconds, q is the metal volume in cubic meters, V is the filling speed in meters per second, and ag is the cross-sectional area of the inner gate in square centimeters. Where t is the filling time in seconds, q is the metal volume in cubic meters, and V is the filling speed in meters per second. Where t represents the amount of time spent filling in seconds, q represents the volume of metal in cubic meters, and V represents the amount of time spent filling in meters per second.
When making die castings, it is absolutely necessary for the liquid metal to fill the cavity of the mold as quickly as is physically possible to do so. Because of this, the final product will have a clean contour and a surface of the highest possible quality. Both times, these times are measured in milliseconds. There is a difference of less than one second between the two times.
2. The length of time during which the pressure is maintained at a constant level
After the metal liquid has completed filling the mold cavity, the injection cylinder must continue to function normally in order to successfully complete the process. In addition, the volume loss of the die casting that takes place during the process of solidification has to be continuously compensated for by the liquid. This adjustment must be made in real time. This is done in order to ensure that the die casting maintains its authentic form. This will ultimately result in the production of a casting that has a structure that is quite dense as the end result of the process. If there is a large number of voids and cavities found in the center of the nozzle material, this is an indication that there was a large number of voidIf there is a large number of voids and cavities found in the center of the nozzle material, this is an indication that there was a large number of voids in the center of the nozzle material. This can happen when the pressure holding pressure is too low.
3. the longest possible period of time that mold can be kept in storage
After the injection process has been finished, the temperature in the cavity of the mold will begin to drop, which will cause the liquid metal that was contained within the cavity to begin to solidify and cool. The casting can be removed from the mold only after the temperature of the casting has been lowered to a predetermined level and the casting has achieved a predetermined level of mechanical strength. This is done to prevent the ejection from taking an abnormal shape or becoming damaged in any way. The mold retention time is the amount of time that must elapse after the pressure holding time but before the mold can be opened. It is also possible to determine whether or not the recommended amount of mold retention time has been attained by analyzing the degree to which the die-casting has been deformed. This can be done in order to determine whether or not the recommended amount of mold retention time has been attained.
4. Mold temperature
When it comes to determining the overall quality of die castings, one of the most important factors to take into consideration is the temperature of the mold itself. Specifically, the temperature at which the metal is poured into the mold. The temperature of the mold will move around quite a bit while the process of die casting is being carried out because of this.
Die temperature range of die casting mold:160 – 220 ?
Castings that are electroplated can be completed at temperatures ranging from 180 to 220 degrees Celsius.
When the temperature of the mold is too low, the process of filling the mold cavity with liquid metal results in the liquid metal beginning to solidify at an excessively early stage. Because of this, it is much simpler for flaws such as flow marks and surface return cold lines to become visible in the finished product. This is because the mold is at a higher temperature than they are. This is due to the fact that the temperature of the mold is higher than that of the people. As a result of the high temperature of the mold, the casting will cool at an extremely slow rate, which will cause the grain to be extremely uneven. This makes it very easy to produce shrinkage as well as porosity, both of which ultimately lead to a reduction in the material's mechanical properties.
There is a direct correlation between the temperature of the mold and the spraying effect that the coating has. This correspondence is a one-to-one relationship.
The temperature balance of the die-casting mold can be controlled by the means of setting the cooling water circuit and adjusting the volume of cooling water. This allows the temperature balance of the mold to be maintained at a consistent level. These two methods are the only ones that can be used to control the equilibrium of the temperature.
During the production process, it is essential to pay attention to maintaining a consistent die casting cycle in order to maintain the temperature of the die casting mold and ensure that it does not fluctuate. This can be accomplished by paying close attention to the temperature of the die casting mold. In addition, it is of the utmost importance to make certain that the temperature of the [color= rgb(247, 150, 70)]die casting mold[/color] is not affected by any factors that are external. |
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